Moved Args::StringToXIntYZ to StringConvert::ToXIntYZ

The refactor was motivated by some comments that Greg made
http://reviews.llvm.org/D6918

and also to break a dependency cascade that caused functions linking
in string->int conversion functions to pull in most of lldb

llvm-svn: 226199
diff --git a/lldb/source/Interpreter/OptionValueUInt64.cpp b/lldb/source/Interpreter/OptionValueUInt64.cpp
index 3e12c03..48de433 100644
--- a/lldb/source/Interpreter/OptionValueUInt64.cpp
+++ b/lldb/source/Interpreter/OptionValueUInt64.cpp
@@ -14,7 +14,7 @@
 // Other libraries and framework includes
 // Project includes
 #include "lldb/Core/Stream.h"
-#include "lldb/Interpreter/Args.h"
+#include "lldb/Host/StringConvert.h"
 
 using namespace lldb;
 using namespace lldb_private;
@@ -58,7 +58,7 @@
         case eVarSetOperationAssign:
         {
             bool success = false;
-            uint64_t value = Args::StringToUInt64 (value_cstr, 0, 0, &success);
+            uint64_t value = StringConvert::ToUInt64 (value_cstr, 0, 0, &success);
             if (success)
             {
                 m_value_was_set = true;